@misc{indiciae72eddc21f715,
  title = {Fredkin Staircase: An Integrable System with a Finite-Frequency Drude Peak},
  author = {Singh, Hansveer and Vasseur, Romain and Gopalakrishnan, Sarang},
  year = {2023},
  doi = {10.1103/physrevlett.130.046001},
  url = {https://www.osti.gov/biblio/1970429},
  note = {Source identifier: 1970429}
}